Symantec Veritas Cluster Server One, Installation Manual

Page: 101 / 210

101 Adding shared storage and testing disks for SCSI-3 compliance
Using additional vxfentsthdw options
Using additional vxfentsthdw options
Table 8-1 lists the
vxfentsthdw
options you can use to test disks.
Testing system and device combinations
To test system and device combinations
1 Create a text file to test the two disks. For example, you can create a file to
test two disks (
/dev/ device_1
and
/dev/ device_2
) shared by two
systems (
sysA
and
sysB
):
sysA /dev/ device_1 sysB /dev/ device_1
sysB /dev/ device_2 sysA /dev/ device_2
The file contains one line for each disk to be tested.
2 Name the file. For example,
red_disks
.
3 Do one of the following:
Table 8-1 Options for vxfentsthdw
vxfentsthdw
option Description When to use
-m
The default option that may be
used with the
-r
option. With
-m
,
vxfentsthdw
runs in the
interactive mode.
For testing a few disks or sampling
disks in larger arrays.
-f filename
Tests system and device
combinations listed in a text
file. May be used with
-r
option.
For testing several disks.
-g disk_group
Tests all disk device in a
specified disk group. May be
used with
-r
option.
For testing many disk and arrays of
disks. Disk groups may be
temporarily created for testing
purposes and destroyed (ungrouped)
after testing.
-r
Read-only option.
May be used with
-m
,
-f
, and
-g
options.
Testing does not overwrite data on
the disks. The utility does not run all
SCSI-3 compliance tests.
-n
Use this option if you are
running the
vxfentsthdw
utility using
rsh
.
When
rsh
is used for
communication.